Nanomaterials, 2021 Creating oxygen vacancies and introducing heterostructures are two widely used strategies in Co-based oxides for their efficient electrocatalytic performance, yet both strategies have rarely been used together to design a bifunctional electrocatalyst for
Khalil ur Rehman +5 more
doaj +1 more source
The effect of electrolyte on the kinetics of hydrogen evolution reaction
, 2023 Amid global energy challenges, hydrogen evolution reaction (HER) is gaining traction for green hydrogen production. While catalyst research is ongoing, recognizing electrolyte effects remains crucial for sustainable hydrogen production via renewable-powered water electrolysis.
Goitom K. Gebremariam +2 more
openaire +1 more source
Cross-Coupling Hydrogen Evolution Reactions [PDF]
Acta Chimica Sinica, 2020 During the past decade, transition metal-catalyzed dehydrogenative cross-couplings have emerged as an attractive strategy in synthetic chemistry due to its high step- and atom-economy as well as the less functionalized coupling partners. However, such reactions have to always use stoichiometric amount of sacrificial oxidants such as peroxides, high ...
Kui Dong, Qiang Liu, Li-Zhu Wu
openaire +1 more source
A consistent molecular hydrogen isotope chemistry scheme based on an independent bond approximation [PDF]
, 2009 The isotopic composition of molecular hydrogen (H<sub>2</sub>) produced by photochemical oxidation of methane (CH<sub>4</sub>) and Volatile Organic Compounds (VOCs) is a key quantity in the global isotope budget of (H<sub>2 ...
Sub Atmospheric physics and chemistry +8 more
core +3 more sources
Carbon-based electrocatalysts for hydrogen evolution reaction
Energy Conversion and Management: XIn the pursuit of clean and sustainable hydrogen energy production, water splitting has emerged as a promising method. However, the cost and scarcity of Pt-group metals as effective electrocatalysts hydrogen evolution reaction (HER) poses challenges for ...
Khalid Ahmed +4 more
doaj +1 more source
Transition metal sulfides for electrochemical hydrogen evolution
, 2021 Hydrogen is identified as the most promising zero-carbon fuel of the future. Naturally, in this regard, the hydrogen evolution reaction (HER), being a first critical step of the hydrogen technology and economy, attracts much attention.
Berggren, Magnus, +2 more
core +1 more source
High Hydrogen Evolution Reaction (HER) and Hydrogen Oxidation Reaction (HOR) Activity RhxSy Catalyst Synthesized with Na2S for Hydrogen-Bromine Fuel Cell [PDF]
, 2020 A RhxSy/C catalyst with high mass-specific electrochemical surface area (ECSA/mass), high hydrogen oxidation reaction (HOR)/hydrogen evolution reaction (HER) activity, and high Nafion® ionomer-affinity was synthesized and evaluated.
Li, Yuanchao +3 more
core +1 more source
Enhancing alkaline hydrogen evolution reaction activity through Ni-Mn3O4 nanocomposites
, 2016 Developing efficient, stable and cost-effective electrocatalysts towards hydrogen production in alkaline environments is vital to improve energy efficiency for water splitting. In this work, we prepared Ni-Mn3O4 nanocomposites on Ni foam which exhibit an
Li, Xu +5 more
core +1 more source
Coffee waste-derived porous carbon for hydrogen and oxygen evolution reaction
Chemical Physics Impact, 2023 Porous carbon was synthesized from coffee waste for hydrogen evolution reaction (HER) and oxygen evolution reaction (OER). The coffee waste was carbonized at 600 °C for 2 hrs and activated at 500, 600, and 700 °C, respectively. The activated coffee waste
Keshab Pandey, Hae Kyung Jeong
doaj +1 more source
Two-phase model of hydrogen transport to optimize nanoparticle catalyst loading for hydrogen evolution reaction [PDF]
, 2016 With electrocatalysts it is important to be able to distinguish between the effects of mass transport and reaction kinetics on the performance of the catalyst.
Hansen, Ole +4 more
core +2 more sources